inv.bg MCP by usefulapi

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

• Connection: Runs in the cloud
• Transport: Streamable HTTP
• Category: Accounting, finance & tax

Install

Pick the AI app you use, then copy the settings.

You need

• Runs in the cloudNothing to install; it connects over the internet

Which app do you use?

https://inv-bg.usefulapi.io/mcp

claude mcp add --transport http inv-bg https://inv-bg.usefulapi.io/mcp

{
  "mcpServers": {
    "inv-bg": {
      "url": "https://inv-bg.usefulapi.io/mcp"
    }
  }
}

{
  "servers": {
    "inv-bg": {
      "type": "http",
      "url": "https://inv-bg.usefulapi.io/mcp"
    }
  }
}

https://inv-bg.usefulapi.io/mcp

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These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.

• invbg_get_account

  The company (id, name, subdomain) and the user the API token belongs to. GET /account.

• invbg_get_firm

  The issuing company's details: name, Bulstat, VAT registration and VAT number, address, MOL, contact email, custom properties. GET /firm.

• invbg_list_invoices

  List documents (tax invoices, proformas, debit and credit notes) with filters: type, number, issue-date range, amount ranges, payment status, client, draft/annulled, sent status, currency. Each row has number, client, totals, balance_paid, balance_due and dates. GET /invoices.

• invbg_get_invoice

  One document by id: number, type, issuer and recipient, line items, VAT, totals, balance_paid and balance_due, dates, bank accounts, sent/confirmation status. Optionally with its comments. GET /invoices/{id}.

• invbg_list_invoice_types

  All document types of this company (tax invoice, proforma, debit/credit note and any custom types) with their codes. GET /invoices/types.

• invbg_get_next_invoice_number

  The next free document number of the default number set for a document type. Read-only: it does not reserve the number. GET /invoices/free-number.

• invbg_list_number_sets

  The company's invoice number sets (separate numbering series) with ids; pass an id as number_set to invbg_create_invoice. GET /invoices/number-sets.

• invbg_list_payment_methods

  The payment method codes a document accepts (cash, bank, card, ...) with their names. GET /invoices/payment-methods.

• invbg_list_vat_exemption_reasons

  The legal reasons for issuing a document without VAT (use one as vat_exemption_reason in invbg_create_invoice). GET /invoices/without-vat-reasons.

• invbg_list_clients

  List or search clients (customers): name, Bulstat, VAT number, address, MOL, whether it is a person. GET /clients.

• invbg_get_client

  One client by id with all stored details (names in both languages, Bulstat, VAT, address, MOL, code, custom properties). GET /clients/{id}.

• invbg_list_client_contacts

  Contact people of a client (or of all clients) with their names and roles. GET /client-contacts.

• invbg_list_items

  The product/service catalogue: name, price, currency, unit, tags. GET /items.

• invbg_get_item

  One catalogue item by id. GET /items/{id}.

• invbg_list_item_units

  Units of measure accepted as quantity_unit on items and invoice lines. GET /items/units.

• invbg_list_payments

  Recorded payments (income and expense) with amount, method, date, counterparty, how much is allocated to invoices (amount_used) and what is left (amount_left). GET /payments.

• invbg_get_payment

  One payment by id with its allocations to invoices (invoice_payments). GET /payments/{id}.

• invbg_list_bank_accounts

  The company's bank accounts (alias, bank, IBAN, BIC, currency). GET /bank/accounts.

• invbg_list_bank_transactions

  Imported bank transactions with amount, date, counterparty, and whether they are linked to a document. Useful for reconciliation (linked=false = unmatched). GET /bank/transactions.

• invbg_list_cashboxes

  The company's cash registers (cashboxes) with names and balances. GET /cashboxes.

• invbg_get_exchange_rate

  The exchange rate of a currency to BGN on a date (default: today), as inv.bg uses it for documents. GET /currency/rates/{currency}.

• invbg_create_client

  WRITE: add a company client (name, Bulstat, VAT, address, MOL). Check invbg_list_clients first to avoid a duplicate. For an individual (EGN) issue the document with invbg_create_invoice and is_to_person instead. POST /clients.

• invbg_update_client

  WRITE: change fields of an existing client (only the fields you pass are changed). PATCH /clients/{id}.

• invbg_create_item

  WRITE: add a product or service to the catalogue (name, price, unit). POST /items.

• invbg_create_invoice

  WRITE: create a document (tax invoice by default; proforma, debit/credit note via type). It is saved as a DRAFT unless draft is false: an issued document takes the next legal number and cannot be undone through this tool. Address it to an existing client_id, or give to_name + to_

• invbg_send_invoice_email

  WRITE: email a document to a recipient (as a download link or an attached file). The email goes out immediately and cannot be recalled. POST /invoices/{id}/emails.

• invbg_record_invoice_payment

  WRITE: record a payment received for a document and allocate it, which updates the document's balance_paid/balance_due and payment status. Two calls: POST /payments, then POST /payments/{id}/invoices. If the allocation fails the payment stays recorded: the error names its id (see

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

• ✓ Pass

  Maker matches the repo

  The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• ✓ Pass

  Endpoint responds

  Responded in 55 ms (HTTP 200)

• – Not applicable

  Sign-in with OAuth

  No sign-in needed

• ✓ Pass

  No hidden instructions in tool descriptions

  Read 27 tool descriptions and found no hidden instructions to the AI

Compared with others in Accounting, finance & taxi

• More stars than 0% of the other 1720 servers in this category
• Published to the registry more recently than 97% of the other 1720 servers in this category
• Basic checks equal to or better than 100% of the other 1720 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

README from the maker

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